@article{ref1,
title="Organophosphorus insecticides in colorado",
journal="Archives of environmental health",
year="1964",
author="Holmes, John H.",
volume="9",
number="",
pages="445-453",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9896",
doi="",
url="http://dx.doi.org/"
}